Constructor Detail

• ClassReference

  public ClassReference​(Object o)

  Constructor.

  Parameters:

  o - Object to work with.

• ClassReference

  public ClassReference​(String className)
                 throws ClassNotFoundException

  Contructor. The object created by this constructor can be used to access static methods and fields only.

  Parameters:

  className - name of class

  Throws:

  ClassNotFoundException

Method Detail

• startApplication

  public void startApplication()
                        throws InvocationTargetException,
                               NoSuchMethodException

  Executes class's main(java.lang.String[]) method with a zero-length java.lang.String array as a parameter.

  Throws:

  NoSuchMethodException

  InvocationTargetException

• startApplication

  public void startApplication​(String[] params)
                        throws InvocationTargetException,
                               NoSuchMethodException

  Executes class's main(java.lang.String[]) method.

  Parameters:

  params - The java.lang.String array to pass to main(java.lang.String[]).

  Throws:

  NoSuchMethodException

  InvocationTargetException

• invokeMethod

  public Object invokeMethod​(String method_name,
                             Object[] params,
                             Class[] params_classes)
                      throws InvocationTargetException,
                             NoSuchMethodException,
                             IllegalAccessException

  Locates method by name and parameter types and executes it.

  Parameters:

  method_name - Name of method.

  params - Method parameters.

  params_classes - Method parameters types.

  Returns:

  the return value from an invocation of the Method.
  If method_name method is void, null is returned.
  If method_name method returns a primitive type, then return wrapper class instance.

  Throws:

  InvocationTargetException - when the invoked method throws an exception.

  NoSuchMethodException - when the method cannot be found.

  IllegalAccessException - when access to the class or method is lacking.

  SecurityException - if access to the package or method is denied.

  IllegalAccessException

  NoSuchMethodException

  InvocationTargetException

• newInstance

  public Object newInstance​(Object[] params,
                            Class[] params_classes)
                     throws InvocationTargetException,
                            NoSuchMethodException,
                            IllegalAccessException,
                            InstantiationException

  Locates constructor by parameter types and creates an instance.

  Parameters:

  params - An array of Method parameters.

  params_classes - An array of Method parameter types.

  Returns:

  a new class instance.

  Throws:

  InvocationTargetException - when the invoked constructor throws an exception.

  NoSuchMethodException - when the constructor cannot be found.

  IllegalAccessException - when access to the class or constructor is lacking.

  InstantiationException - when the constructor is for an abstract class.

  SecurityException - if access to the package or constructor is denied.

  IllegalAccessException

  NoSuchMethodException

  InstantiationException

  InvocationTargetException

• getField

  public Object getField​(String field_name)
                  throws NoSuchFieldException,
                         IllegalAccessException

  Returns the field value.

  Parameters:

  field_name - The name of the field.

  Returns:

  the field value

  Throws:

  NoSuchFieldException - when the field cannot be found.

  IllegalAccessException - when access to the class or constructor is lacking.

  SecurityException - if access to the package or field is denied.

  IllegalAccessException

  NoSuchFieldException

  See Also:

  setField(java.lang.String, java.lang.Object)

• setField

  public void setField​(String field_name,
                       Object newValue)
                throws NoSuchFieldException,
                       IllegalAccessException

  Change a field's value.

  Parameters:

  field_name - The name of the field.

  newValue - The fields new value.

  Throws:

  NoSuchFieldException - when the field cannot be found.

  IllegalAccessException - when access to the class or constructor is lacking.

  SecurityException - if access to the package or field is denied.

  IllegalAccessException

  NoSuchFieldException

  See Also:

  getField(java.lang.String)

• getClasses

  public Class[] getClasses()

  Returns all superclasses.

  Returns:

  an array of superclasses, starting with the reference class and ending with java.lang.Object.